The phrase " Angry Birds Collection MS Verified " typically refers to the official suite of Angry Birds games available through the Microsoft Store
On the , there is a project titled the Angry Birds + Bad Piggies Collection .
Originally, Rovio released several standalone PC ports, including Angry Birds Classic , Seasons , and Space . However, as the company shifted focus toward mobile free-to-play models, these versions were delisted from official storefronts.
This is where the concept of "MS Verified" becomes critical.
